Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quantos oponentes lutaram em 03-12-1982?
 ###Tabelas: CREATE TABLE overview_of_main_characters (overview_of_main_characters_id AUTO_INCREMENT PRIMARY KEY, Character VARCHAR, Actor VARCHAR, Years VARCHAR, Series VARCHAR, Episode Count INT) CREATE TABLE east_asian_seven_luminaries (east_asian_seven_luminaries_id AUTO_INCREMENT PRIMARY KEY, Sunday VARCHAR, Monday VARCHAR, Tuesday VARCHAR, Wednesday VARCHAR, Thursday VARCHAR, Friday VARCHAR, Saturday VARCHAR) CREATE TABLE international_career (international_career_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Venue VARCHAR, Score VARCHAR, Result VARCHAR, Competition VARCHAR) CREATE TABLE electrostatic_electrolytic_and_electrochemical_capacitors (electrostatic_electrolytic_and_electrochemical_capacitors_id AUTO_INCREMENT PRIMARY KEY, Capacity VARCHAR, Volts VARCHAR, Temp. VARCHAR, Energy-to-weight ratio VARCHAR, Power-to-weight ratio VARCHAR) CREATE TABLE list_of_boxing_quadruple_or_four_division_champions_—_major_titles (list_of_boxing_quadruple_or_four_division_champions_—_major_titles_id AUTO_INCREMENT PRIMARY KEY, Number INT, Name VARCHAR, Titles VARCHAR, Date VARCHAR, Opponent VARCHAR, Result VARCHAR, Defenses INT)  
SELECT COUNT Opponent FROM list_of_boxing_quadruple_or_four_division_champions_—_major_titles WHERE Date = 1982-12-03